80381665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7681}}^1$

素因数の和:7729

約数の個数: 32

約数和(自身を含む): 123895296

約数和(自身を除く): 43513631

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 7681, 10465, 38405, 53767, 99853, 176663, 268835, 499265, 698971, 883315, 1236641, 2296619, 3494855, 6183205, 11483095, 16076333, 80381665]

約数ペア:

[(1, 80381665), (5, 16076333), (7, 11483095), (13, 6183205), (23, 3494855), (35, 2296619), (65, 1236641), (91, 883315), (115, 698971), (161, 499265), (299, 268835), (455, 176663), (805, 99853), (1495, 53767), (2093, 38405), (7681, 10465)]